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Altera_Forum's avatar
Altera_Forum
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8 years ago

Quartus message re output drivers

Quartus gives me a message about no output drivers on pins. I have tried putting the .alt driver on the pins, no difference. So what drivers am I supposed to put on the pins?? The quantity of usel...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

The 7400 comes from a Quartus library, and is put into the .BDF file. Why would Quartus supply a library file that would not work in their program?

That makes no sense.

I have since spent more time, and recompiled the program, and the messages go away. I deleted the .V file and forced the program to use the .BDF file.

It appears that when both files are present, Quartus will corrupt the .V file.